Dallas County Climate
Dallas County, Arkansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
61.8°F
Annual Precip
56.9"
Annual Snowfall
1.4"
Extreme Heat Days
67
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,230
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Dallas County
Climate Verdict
Dallas County has a warm, averaging 61.8°F year-round, very wet conditions receiving 56.9 inches of precipitation annually, significant summer heat with 67.3 days annually above 90°F, light snow averaging 1.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 41.5°F. summers are hot, with July averaging 81.0°F. The 40°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Dallas County closely matches the Arkansas statewide average temperature of 61.0°F, it is somewhat wetter than average for Arkansas.
Climate Profile
About Dallas County Weather
Warm and Exceptionally Wet Southern Climate
Dallas County averages 61.8°F, placing it significantly warmer than the national median of 54°F. It is also one of the wetter regions in the country, receiving 56.9 inches of rain annually.
Exceeding the Arkansas Annual Rainfall Norms
The county's average temperature of 61.8°F is slightly above the state average of 61.0°F. More notably, its 56.9 inches of precipitation far exceeds the state average of 52.4 inches.
Warmer and Wetter than Northern Neighbors
Dallas County is warmer and significantly wetter than Faulkner County to the north, which sees 50.9 inches of rain. Its 61.8°F average is also higher than the 59.9°F found in the central part of the state.
Prolonged Heat with Very Little Snow
The county faces 67 extreme heat days annually, with July temperatures averaging 81.0°F. Snowfall is nearly non-existent, averaging just 1.4 inches per year.
Preparing for Heavy Rain and Heat
Residents must prioritize flood mitigation and roof maintenance due to the high 56.9-inch annual rainfall. Expect high energy bills during the 67 days of 90°F+ temperatures each year.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.